Home / 133,975.81-184,848.74-86,256.79

Finding the Fourth Proportional to 133,975.81, 184,848.74 and 86,256.79

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Solution

The fourth proportional to 133,975.81, 184,848.74 and 86,256.79 is: 119,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,975.81 : 184,848.74 = 86,256.79 : x
  2. Step 2: Convert to fraction form
    133,975.81/184,848.74 = 86,256.79/x
  3. Step 3: Cross multiply
    133,975.81x = 184,848.74 × 86,256.79
  4. Step 4: Simplify right side
    133,975.81x = 15,944,458,947.94
  5. Step 5: Solve for x
    x = 15,944,458,947.94/133,975.81
  6. Step 6: Final answer
    x = 119,009.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.